Home / 18,918,182.72-26,107,091.69-10,216,354.61

Finding the Fourth Proportional to 18,918,182.72, 26,107,091.69 and 10,216,354.61

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Solution

The fourth proportional to 18,918,182.72, 26,107,091.69 and 10,216,354.61 is: 14,098,569.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918,182.72 : 26,107,091.69 = 10,216,354.61 : x
  2. Step 2: Convert to fraction form
    18,918,182.72/26,107,091.69 = 10,216,354.61/x
  3. Step 3: Cross multiply
    18,918,182.72x = 26,107,091.69 × 10,216,354.61
  4. Step 4: Simplify right side
    18,918,182.72x = 266,719,306,555,010.16
  5. Step 5: Solve for x
    x = 266,719,306,555,010.16/18,918,182.72
  6. Step 6: Final answer
    x = 14,098,569.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.